1364311021 has 4 divisors (see below), whose sum is σ = 1369132192. Its totient is φ = 1359489852.

The previous prime is 1364311007. The next prime is 1364311049. The reversal of 1364311021 is 1201134631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1201134631 = 127 ⋅9457753.

It is a cyclic number.

It is not a de Polignac number, because 1364311021 - 2⁵ = 1364310989 is a prime.

It is a super-2 number, since 2×1364311021² = 3722689124044124882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1364310983 and 1364311001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364315021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410161 + ... + 2410726.

It is an arithmetic number, because the mean of its divisors is an integer number (342283048).

Almost surely, 2^1364311021 is an apocalyptic number.

It is an amenable number.

1364311021 is a deficient number, since it is larger than the sum of its proper divisors (4821171).

1364311021 is an equidigital number, since it uses as much as digits as its factorization.

1364311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821170.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1364311021 is about 36936.5810680956. The cubic root of 1364311021 is about 1109.1010824096.

Adding to 1364311021 its reverse (1201134631), we get a palindrome (2565445652).

The spelling of 1364311021 in words is "one billion, three hundred sixty-four million, three hundred eleven thousand, twenty-one".